Sexual behavior in male rodents

Ackerman, 1997, Effects of paraventricular lesions on sex behavior and seminal emissions in male rats, Physiol. Behav., 63, 49, 10.1016/S0031-9384(97)00386-7 Ågmo, 1988, Opioids and sexual behavior in the male rat, Pharmacol. Biochem. Behav., 30, 1021, 10.1016/0091-3057(88)90135-9 Ågmo, 1990, Catecholamines and the initiation of sexual behavior in male rats without sexual experience, Pharmacol. Biochem. Behav., 35, 327, 10.1016/0091-3057(90)90164-D Ahlenius, 1990, Effects of selective D1 and D2 antagonists on male rat sexual behavior, Experentia, 46, 1026, 10.1007/BF01940663 Ahlenius, 1991, Opposite effects of 5-methoxy-N,N-di-methyl-tryptamine and 5-hydroxytryptophan on male rat sexual behavior, Pharmacol. Biochem. Behav., 38, 201, 10.1016/0091-3057(91)90611-5 Ahlenius, 1998, Evidence for an involvement of 5-HT1B receptors in the inhibition of male rat ejaculatory behavior produced by 5-HTP, Psychopharmacology, 137, 374, 10.1007/s002130050633 Ahlenius, 1989, Effects of stereoselective 5-HT1A agonists on male rat sexual behavior, Pharmacol. Biochem. Behav., 33, 691, 10.1016/0091-3057(89)90408-5 Argiolas, 2004, The role of oxytocin and the paraventricular nucleus in the sexual behavior of male mammals, Physiol. Behav., 83, 309, 10.1016/j.physbeh.2004.08.019 Arteaga, 1997, Characteristics of the motor and genital copulatory responses of the male hamster, J. Physiol. (Paris), 91, 311, 10.1016/S0928-4257(97)82412-6 Arteaga, 2002, Effects of yohimbine and apomorphine on the male sexual behaviour pattern of the golden hamster (Mesocricetus auratus), Eur. Neuropsychopharmacol., 12, 39, 10.1016/S0924-977X(01)00134-1 Bakker, 2002, Sexual partner preference requires a functional aromatase (cyp19) gene in male mice, Horm. Behav., 42, 158, 10.1006/hbeh.2002.1805 Benelli, 1995, Nitric oxide is involved in male sexual behavior of rats, Eur. J. Pharmacol., 294, 505, 10.1016/0014-2999(95)00578-1 Beyer, 1981, Effects of castration and sex steroid treatment on the motor copulatory pattern in the rat, Physiol. Behav., 27, 727, 10.1016/0031-9384(81)90247-X Bialy, 1996, Sexual behavior in male rats after nitric oxide synthesis inhibition, Physiol. Behav., 60, 139, 10.1016/0031-9384(95)02272-4 Boscarino, 2002, Chronic oral administration of clomipramine decreases sexual behavior in the male Syrian hamster (Mesocricetus auratus), Physiol. Behav., 75, 361, 10.1016/S0031-9384(02)00637-6 Burnett, 1996, Nitric oxide-dependent penile erection in mice lacking neuronal nitric oxide synthase, Mol. Med., 2, 288, 10.1007/BF03401627 Burns-Cusato, 2004, Of mice and missing data: what we know (and need to learn) about male sexual behavior, Physiol. Behav., 83, 217, 10.1016/j.physbeh.2004.08.015 Butera, 1985, Maintenance of target tissue and sexual behavior with dihydrotestosterone in male rats and guinea pigs, Physiol. Behav., 34, 319, 10.1016/0031-9384(85)90123-4 Butera, 1989, Effects of intracranial implants of dihydrotestosterone in the reproductive physiology and behavior of male guinea pigs, Horm. Behav., 23, 424, 10.1016/0018-506X(89)90054-8 Cantor, 1999, Chronic fluoxetine inhibits sexual behavior in the male rat: reversal with oxytocin, Psychopharmacology, 144, 355, 10.1007/s002130051018 Chambers, 1991, Age-related deficits in brain androgen binding and metabolism, testosterone, and sexual behavior of male rats, Neurobiol. Aging, 12, 123, 10.1016/0197-4580(91)90050-T Clark, 1994, Sexual arousal and performance are modulated by adrenergic–neuropeptide–steroid interactions, 55 Clark, 1990, Clonidine suppresses copulatory behavior and erectile reflexes in male rats: Lack of effect of naloxone pretreatment, Neuroendocrinologv, 51, 357, 10.1159/000125361 Clark, 1984, Enhancement of sexual motivation in male rats by yohimbine, Science, 225, 847, 10.1126/science.6474156 Clark, 1985, Evidence for the modulation of sexual behavior by α-adrenoceptors in male rats, Neuroendocrinology, 41, 36, 10.1159/000124151 Cooke, 2003, Both estrogen receptors and androgen receptors contribute to testosterone-induced changes in the morphology of the medial amygdala and sexual arousal in male rats, Horm. Behav., 43, 335, 10.1016/S0018-506X(02)00047-8 Coolen, 1997, Demonstration of ejaculation-induced neural activity in the male rat brain using 5-HT1A agonist 8-OH-DPAT, Physiol. Behav., 62, 881, 10.1016/S0031-9384(97)00258-8 Cross, 1999, 17beta-estradiol rapidly facilitates chemoinvestigation and mounting in castrated male rats, Am. J. Physiol., 276, R1346 Dewsbury, 1979, Description of sexual behavior in research on hormone–behavior interactions, 3 Dominguez, 2003, Copulation-induced activation of NMDA receptor containing neurons in the medial preoptic nucleus, Abst. Soc. Behav. Neuroendocrinol. Horm. Behav., 44, 46 Dominguez, 2006, Preoptic glutamate facilitates male sexual behavior, J. Neurosci., 26, 1699, 10.1523/JNEUROSCI.4176-05.2006 Dominguez, 2001, Stimulation of the medial amygdala enhances medial preoptic dopamine release: implications for male rat sexual behavior, Brain Res., 917, 225, 10.1016/S0006-8993(01)03031-1 Dominguez, 2005, Dopamine, the medial preoptic area, and male sexual behavior, Physiol. Behav., 86, 356, 10.1016/j.physbeh.2005.08.006 Dominguez, 2004, Nitric oxide mediates glutamate-evoked dopamine release in the medial preoptic area, Neuroscience, 125, 203, 10.1016/j.neuroscience.2004.01.022 Dominguez, 2001, Regulation by the medial amygdala of copulation and medial preoptic dopamine release, J. Neurosci., 21, 349, 10.1523/JNEUROSCI.21-01-00349.2001 Du, 1999, Effects of testosterone on neuronal nitric oxide synthase and tyrosine hydroxylase, Brain Res., 836, 90, 10.1016/S0006-8993(99)01618-2 Edwards, 1986, Preoptic and midbrain control of sexual motivation', Physiol. Behav., 37, 329, 10.1016/0031-9384(86)90242-8 Elmore, 1988, Role of the bulbospongiosus muscles in sexual behavior and fertility in the house mouse, Physiol. Behav., 44, 125, 10.1016/0031-9384(88)90355-1 Everitt, 1990, Sexual motivation: a neural and behavioral analysis of the mechanisms underlying appetitive and copulatory responses of male rats, Neurosci. Biobehav. Rev., 14, 217, 10.1016/S0149-7634(05)80222-2 Fernandez-Fewell, 1995, Facilitation of mating behavior in male hamsters by LHRH and AcLHRH5–10: interaction with the vomeronasal system, Physiol. Behav., 57, 213, 10.1016/0031-9384(94)00276-B Ferrari, 2002, Influence of sildenafil on central dopamine-mediated behaviour in male rats, Life Sci., 70, 1501, 10.1016/S0024-3205(01)01515-6 Frank, 2000, Multiple ejaculations and chronic fluoxetine: effects on male rat copulatory behavior, Pharmacol. Biochem. Behav., 66, 337, 10.1016/S0091-3057(00)00191-X Giuliano, 2003, Pro-erectile effect of vardenafil: in vitro experiments in rabbits and in vivo comparison with sildenafil in rats, Eur. Urol., 44, 731, 10.1016/S0302-2838(03)00377-4 Giuliano, 1996, Stimulation of the medial preoptic area of the hypothalamus in the rat elicits increases in intracavernous pressure, Neurosci. Lett., 209, 1, 10.1016/0304-3940(96)12594-5 Gomez-Marrero, 1988, Stimulation of opioid receptors suppresses penile erectile reflexes and seminal emission in rats, Pharmacol. Biochem. Behav., 31, 393, 10.1016/0091-3057(88)90364-4 Grunt, 1952, Psychological modification of fatigue following orgasm (ejaculation) in the male guinea pig, J. Comp. Physiol. Psychol., 45, 508, 10.1037/h0063596 Hadeishi, 1996, Nitric oxide synthase in mating behavior circuitry of male Syrian hamster brain, J. Neurobiol., 30, 480, 10.1002/(SICI)1097-4695(199608)30:4<480::AID-NEU4>3.0.CO;2-# Holmes, 1991, Electromyographic analysis of male rat perineal muscles during copulation and reflexive erections, Physiol. Behav., 49, 1235, 10.1016/0031-9384(91)90357-T Holmes, 2002, Dissociation of the effects of nucleus raphe obscurus or rostral ventrolateral medulla lesions on eliminatory and sexual reflexes, Physiol. Behav., 75, 49, 10.1016/S0031-9384(01)00631-X Hull, 1994, The roles of nitric oxide in sexual function of male rats, Neuropharmacology, 33, 1499, 10.1016/0028-3908(94)90054-X Hull, 1995, Extracellular dopamine in the medial preoptic area: implications for sexual motivation and hormonal control of copulation, J. Neurosci., 15, 7465, 10.1523/JNEUROSCI.15-11-07465.1995 Hull, 2002, Male sexual behavior, 3 Hull, E.M., Wood, R.I., and McKenna, K.E. (2006) The neurobiology of male sexual behavior. In: The Physiology of Reproduction, third ed. J. Neill, Editor in Chief, Donald Pfaff, Section Editor, Elsevier Press, pp. 1729–1824. James, 2002, Testosterone rapidly affects the expression of copulatory behavior in house mice (Mus musculus), Physiol. Behav., 75, 287, 10.1016/S0031-9384(01)00666-7 Kollack-Walker, 1997, Mating-induced expression of c-fos in the male Syrian hamster brain: role of experience, pheromones, and ejaculations, J. Neurobiol., 32, 481, 10.1002/(SICI)1097-4695(199705)32:5<481::AID-NEU4>3.0.CO;2-1 Kondo, 1995, Functional association between the medial amygdala and the medial preoptic area in regulation of mating behavior in the male rat, Physiol. Behav., 57, 69, 10.1016/0031-9384(94)00205-J Krey, 1990, Time-courses of the appearance/disappearance of nuclear androgen+receptor complexes in the brain and adenohypophysis following testosterone administration/withdrawal to castrated male rats: relationships with gonadotropin secretion, J. Steroid Biochem., 35, 403, 10.1016/0022-4731(90)90247-P Kriegsfeld, 1999, Ejaculatory abnormalities in mice lacking the gene for endothelial nitric oxide synthase (eNOS−/−), Physiol. Behav., 67, 561, 10.1016/S0031-9384(99)00100-6 Kudwa, 2005, Dopamine D5 receptor modulates male and female sexual behavior in mice, Psychopharmacology, 180, 206, 10.1007/s00213-005-2150-5 Lagoda, 2004, A nitric oxide synthase inhibitorin the medial preoptic area inhibits copulation and stimulus sensitization in male rats, Behav. Neurosci., 118, 1317, 10.1037/0735-7044.118.6.1317 Lehman, 1983, Stria terminalis lesions alter the temporal pattern of copulatory behavior in the male golden hamster, Behav. Brain Res., 8, 109, 10.1016/0166-4328(83)90174-2 Leyton, 1992, The stimulation of central kappa opioid receptors decreases male sexual behavior and locomotor activity, Brain Res., 594, 56, 10.1016/0006-8993(92)91029-E Leyton, 1996, Acute and repeated activation of male sexual behavior by tail pinch: opioid and dopaminergic mechanisms, Physiol. Behav., 60, 77, 10.1016/0031-9384(95)02270-8 Li, 2002, Hypocretin/orexin excites hypocretin neurons via a local glutamate neuron—A potential mechanism for orchestrating the hypothalamic arousal system, Neuron, 36, 1169, 10.1016/S0896-6273(02)01132-7 Liu, 1997, Impaired sexual response after lesions of the paraventricular nucleus of the hypothalamus in male rats, Behav. Neurosci., 111, 1361, 10.1037/0735-7044.111.6.1361 Liu, 1997, Lesions in medial preoptic area and bed nucleus of stria terminalis: differential effects on copulatory behavior and noncontact erection in male rats, J. Neurosci., 17, 5245, 10.1523/JNEUROSCI.17-13-05245.1997 Lopez, 2000, Haloperidol challenge during copulation prevents subsequent increase in male sexual motivation, Pharmacol. Biochem. Behav., 67, 387, 10.1016/S0091-3057(00)00376-2 Lopez, 2001, Dopamine antagonism attenuates the unconditioned incentive value of estrous female cues, Pharmacol. Biochem. Behav., 68, 411, 10.1016/S0091-3057(00)00472-X Lopez, 2002, Exposure to female rats produces differences in c-fos induction between sexually-naive and experienced male rats, Brain Res., 947, 57, 10.1016/S0006-8993(02)02907-4 Lopez, 2002, Sexually conditioned incentives: attenuation of motivational impact during dopamine receptor antagonism, Pharmacol. Biochem. Behav., 72, 65, 10.1016/S0091-3057(01)00732-8 Lorrain, 1997, Extracellular serotonin in the lateral hypothalamic area is increased during postejaculatory interval and impairs copulation in male rats, J. Neurosci., 17, 9361, 10.1523/JNEUROSCI.17-23-09361.1997 Lorrain, 1999, Lateral hypothalamic serotonin inhibits nucleus accumbens dopamine: implications for sexual refractoriness, J. Neurosci., 19, 7648, 10.1523/JNEUROSCI.19-17-07648.1999 Lumley, 1999, Effects of a Dl antagonist and of sexual experience on copulation-induced Fos-like immunoreactivity in the medial preoptic nucleus, Brain Res., 829, 55, 10.1016/S0006-8993(99)01338-4 Maeda, 1990, Septohippocampal cholinergic pathway and penile erections induced by dopaminergic and cholinergic stimulants, Brain Res., 537, 163, 10.1016/0006-8993(90)90353-D Malmnas, 1976, The significance of dopamine, versus other catecholamines, for l-dopa induced facilitation of sexual behavior in the castrated male rat, Pharmacol. Biochem. Behav., 4, 521, 10.1016/0091-3057(76)90191-X Manzo, 1999, Regulation of noncontact erection in rats by gonadal steroids, Horm. Behav., 35, 264, 10.1006/hbeh.1999.1519 Markowski, 1995, Cholecystokinin modulates mesolimbic dopaminergic influences on male rat copulatory behavior, Brain Res., 699, 266, 10.1016/0006-8993(95)00918-G Marson, 1990, The identification of a brainstem site controlling spinal sexual reflexes in male rats, Brain Res., 515, 303, 10.1016/0006-8993(90)90611-E Marson, 1992, A role for 5-hydroxytryptamine in descending inhibition of spinal sexual reflexes, Exp. Brain Res., 88, 313, 10.1007/BF02259106 Marson, 1994, Serotonergic neurotoxic lesions facilitate male sexual reflexes, Pharmacol. Biochem. Behav., 47, 883, 10.1016/0091-3057(94)90292-5 Marson, 1994, Stimulation of the hypothalamus initiates the urethrogenital reflex in male rats, Brain Res., 638, 103, 10.1016/0006-8993(94)90638-6 Marson, 1992, Lesions of the nucleus paragigantocellularis alter ex copula penile reflexes, Brain Res., 592, 187, 10.1016/0006-8993(92)91675-5 Mas, 1995, Induction of mating behavior by apomorphine in sexually sated rats, Eur. J. Pharmacol., 280, 331, 10.1016/0014-2999(95)00270-U Matsumoto, 2003, Alteration in sex-specific behaviors in male mice lacking the aromatase gene, Neuroendocrinology, 77, 416, 10.1159/000071313 McGill, 1976, Genotype and retention of the ejaculatory reflex in castrated male mice, Anim. Behav., 24, 507, 10.1016/S0003-3472(76)80063-2 McGinnis, 1989, Evidence for a role of testosterone–androgen receptor interactions in mediating masculine sexual behavior in male rats, Endocrinology, 124, 618, 10.1210/endo-124-2-618 McGinnis, 1989, Critical exposure time for androgen activation of male sexual behavior in rats, Physiol. Behav., 46, 159, 10.1016/0031-9384(89)90249-7 McKenna, 1991, A model for the study of sexual function in anesthetized male and female rats, Am. J. Physiol., 30, R1276 Meisel, 1994, The physiology of male sexual behavior, 3 Meisel, 1984, Differential maintenance of penile responses and copulatory behavior by gonadal hormones in castrated male rats, Horm. Behav., 18, 56, 10.1016/0018-506X(84)90050-3 Melis, 1992, Hippocampal oxytocin mediates apomorphine-induced penile erection and yawning, Pharmacol. Biochem. Behav., 42, 61, 10.1016/0091-3057(92)90447-N Melis, 2003, Extra-cellular dopamine increases in the paraventricular nucleus of the hypothalamus: correlation with penile erection and yawning, Eur. J. Neurosci., 17, 1266, 10.1046/j.1460-9568.2003.02558.x Melis, 2004, Extracellular excitatory amino acids increase in the paraventricular nucleus of male rats during sexual activity: main role of N-methyl-d-aspartic acid receptors in erectile function, Eur. J. Neurosci., 19, 2569, 10.1111/j.0953-816X.2004.03362.x Melis, 1998, Nitric oxide production is increased in the paraventricular nucleus of the hypothalamus of male rats during non-contact penile erections and copulation, Eur. J. Neurosci., 10, 1968, 10.1046/j.1460-9568.1998.00207.x Meredith, 1986, Vomeronasal organ removal before sexual experience impairs male hamster mating behavior, Physiol. Behav., 36, 737, 10.1016/0031-9384(86)90362-8 Millan, 1997, 5-HT2C receptors mediate penile erections in rats, actions of novel and selective agonists and antagonists, Eur. J. Pharmacol., 325, 9, 10.1016/S0014-2999(97)89962-1 Moses, 1999, A nitric oxide synthesis inhibitor administered into the medial preoptic area increases seminal emissions in an ex copula reflex test, Pharmacol. Biochem. Behav., 63, 345, 10.1016/S0091-3057(98)00252-4 Mosig, 1976, Studies of the copulatory behavior of house mice (Mus musculus), Behav. Biol., 16, 463, 10.1016/S0091-6773(76)91635-7 Muschamp, 2007, A role for hypocretin (orexin) in male sexual behavior, J. Neurosci., 27, 2837, 10.1523/JNEUROSCI.4121-06.2007 Niikura, 2002, A causative factor of copulatory disorder in rats following social stress, J. Urol., 168, 843, 10.1016/S0022-5347(05)64754-4 Nyby, 1992, Intracranial androgenic and estrogenic stimulation of male-typical behaviors in house mice, Mus domesticus, Horm. Behav., 26, 24, 10.1016/0018-506X(92)90029-U Ogawa, 2000, Abolition of male sexual behaviors in mice lacking estrogen receptors alpha and beta (alpha beta ERKO), Proc. Natl. Acad. Sci. U. S. A., 97, 14737, 10.1073/pnas.250473597 Ogawa, 1996, Effects of testosterone and 7 alpha-methyl-19-nortestosterone (MENT) on sexual and aggressive behaviors in two inbred strains of male mice, Horm. Behav., 30, 74, 10.1006/hbeh.1996.0011 Ogawa, 1998, Modification of testosterone-dependent behaviors by estrogen receptor-alpha gene disruption in male mice, Endocrinology, 139, 5058, 10.1210/en.139.12.5058 O'Hanlon, 1981, Estradiol maintains castrated male rats' sexual reflexes in copula, but not ex copula, Behav. Neural Biol., 32, 269, 10.1016/S0163-1047(81)90645-2 Olsen, 1992, Genetic influence on sexual behavior differentiation, 1, 10.1007/978-1-4899-2453-7_1 Paredes, 1993, Socio-sexual behavior in male rats after lesions of the medial preoptic area: evidence for reduced sexual motivation, Brain Res., 618, 271, 10.1016/0006-8993(93)91275-W Paredes, 1998, Lesions of the medial preoptic area/anterior hypothalamus (MPOA/AH) modify partner preference in male rats, Brain Res., 813, 81, 10.1016/S0006-8993(98)00914-7 Pfaus, 1995, A novel environment disrupts copulation in sexually naive but not experienced male rats: reversal with naloxone, Physiol. Behav., 57, 1045, 10.1016/0031-9384(94)00394-K Popova, 2002, Involvement of the 5-HT(1A) and 5-HT(1B) serotonergic receptor subtypes in sexual arousal in male mice, Psychoneuroendocrinology, 27, 609, 10.1016/S0306-4530(01)00097-X Putnam, 2003, Hormonal maintenance of copulation in castrates: association with extracellular dopamine in MPOA, Horm. Behav., 44, 419, 10.1016/j.yhbeh.2003.06.006 Putnam, 2005, Effects of testosterone metabolites on copulation, medial preoptic dopamine content, and nitric oxide synthase, Horm. Behav., 47, 513, 10.1016/j.yhbeh.2005.01.007 Rampin, 2003, Proerectile effects of apomorphine in mice, Life Sci., 72, 2329, 10.1016/S0024-3205(03)00122-X Rissman, 1999, Sex with knockout models: behavioral studies of estrogen receptor alpha, Brain Res., 835, 80, 10.1016/S0006-8993(99)01452-3 Rodriguez, 1984, Different roles of catecholaminergic and serotoninergic neurons of the medial forebrain bundle on male rat sexual behavior, Physiol. Behav., 33, 5, 10.1016/0031-9384(84)90005-2 Rodriguez-Manzo, 1999, Yohimbine interacts with the dopaminergic system to reverse sexual satiation: further evidence for a role of sexual motivation in sexual exhaustion, Eur. J. Pharmacol., 372, 1, 10.1016/S0014-2999(99)00140-5 Rodriguez-Manzo, 1995, Participation of the central noradrenergic system in the reestablishment of copulatory behavior of sexually exhausted rats by yohimbine, naloxone, and 8-OH-DPAT, Brain Res. Bull., 38, 399, 10.1016/0361-9230(95)02007-E Rodríguez-Manzo, 2000, Stimulation of the medial preoptic area facilitates sexual behavior but does not reverse sexual satiation, Behav. Neurosci., 114, 553, 10.1037/0735-7044.114.3.553 Rodriguez-Manzo, 2002, Participation of 5-HT(1B) receptors in the inhibitory actions of serotonin on masculine sexual behaviour of mice: pharmacological analysis in 5-HT(1B) receptor knock-out mice, Br. J. Pharmacol., 136, 1127, 10.1038/sj.bjp.0704827 Romeo, 1998, Pheromones elicit equivalent levels of Fos-immunoreactivity in prepubertal and adult male Syrian hamsters, Horm. Behav., 34, 48, 10.1006/hbeh.1998.1463 Romeo, 2002, Puberty and the maturation of the male brain and sexual behavior: recasting a behavioral potential, Neurosci. Biobehav. Rev., 26, 381, 10.1016/S0149-7634(02)00009-X Roselli, 1993, Age-related deficits in brain estrogen receptors and sexual behavior of male rats, Behav. Neurosci., 107, 202, 10.1037/0735-7044.107.1.202 Sachs, 1980, Sexual reflexes of spinal male house mice, Physiol. Behav., 24, 489, 10.1016/0031-9384(80)90242-5 Sachs, 1983, Potency and fertility: hormonal and mechanical causes and effects of penile actions in rats, 86 Sachs, 1981, Copulatory behavior and sexual reflexes of male rats treated with naloxone, Pharmacol. Biochem. Behav., 14, 251, 10.1016/0091-3057(81)90252-5 Sato, 1995, Dopamine release in the medial preoptic area during male copulatory behavior in rats, Brain Res., 692, 66, 10.1016/0006-8993(95)00656-B Scaletta, 1990, Systemic or intracranial apomorphine increases copulation in long-term castrated male rats, Pharmacol. Biochem. Behav., 37, 471, 10.1016/0091-3057(90)90015-A Schnur, 1989, A component analysis of the effects of DPAT on male rat sexual behavior, Physiol. Behav., 45, 897, 10.1016/0031-9384(89)90212-6 Schultz, 2003, Medial preoptic area dopaminergic responses to female pheromones develop during puberty in the male Syrian hamster, Brain Res., 988, 139, 10.1016/S0006-8993(03)03358-4 Schultz, 2004, Gonadal hormones masculinize and defiminize reproductive behaviors during puberty in the male Syrian hamster, Horm. Behav., 45, 242, 10.1016/j.yhbeh.2003.12.007 Scordalakes, 2002, Roles of estrogen receptor alpha and androgen receptor in the regulation of neuronal nitric oxide synthase, J. Comp. Neurol., 453, 336, 10.1002/cne.10413 Shimura, 1994, The medial preoptic area is involved in both sexual arousal and performance in male rats: re-evaluation of neuron activity in freely moving animals, Brain Res., 640, 215, 10.1016/0006-8993(94)91875-9 Simerly, 1986, The organization of neural inputs to the medial preoptic nucleus of the rat, J. Comp. Neurol., 246, 312, 10.1002/cne.902460304 Simerly, 1988, Projections of the medial preoptic nucleus: a Phaseolis vulgaris leucoagglutinin anterograde tract-tracing study in the rat, J. Comp. Neurol., 270, 209, 10.1002/cne.902700205 Sinchak, 1996, Levels of serum steroids, aromatase activity, and estrogen receptors in preoptic area, hypothalamus, and amygdala of B6D2F1 male house mice that differ in the display of copulatory behavior after castration, Behav. Neurosci., 110, 593, 10.1037/0735-7044.110.3.593 Sipos, 1996, Concurrent androgenic stimulation of the ventral tegmental area and medial preoptic area: synergistic effects on male-typical reproductive behaviors in house mice, Brain Res., 729, 29, 10.1016/0006-8993(96)00148-5 Smith, 1987, Alpha 2-adrenoceptor antagonists and male sexual behavior: I. Mating behavior, Physiol. Behav., 41, 7, 10.1016/0031-9384(87)90123-5 Steers, 1989, Effects of m-chlorophenylpiperazine on penile and bladder function in rats, Am. J. Physiol., 257, R1441 Stefanick, 1983, Penile reflexes in intact rats following anesthetization of the penis and ejaculation, Physiol. Behav., 31, 63, 10.1016/0031-9384(83)90096-3 Sugiura, 1997, An animal model of copulatory disorder induced by social stress in male mice: effects of apomorphine and l-dopa, Psychopharmacology, 133, 249, 10.1007/s002130050398 Szczypka, 1998, Dopamine-stimulated sexual behavior is testosterone dependent in mice, Behav. Neurosci., 112, 1229, 10.1037/0735-7044.112.5.1229 Tallentire, 1996, Modulation of sexual behaviour in the rat by a potent and selective 2-adrenoceptor antagonist, delequamine (RS-15385-197), Br. J. Pharmacol., 118, 63, 10.1111/j.1476-5381.1996.tb15367.x Temple, 2003, Lack of functional estrogen receptor beta gene disrupts pubertal male sexual behavior, Horm. Behav., 44, 427, 10.1016/j.yhbeh.2003.09.002 Thornton, 1991, Effects of prenatal antiandrogen treatment on masculinization and defeminization of guinea pigs, Physiol. Behav., 50, 471, 10.1016/0031-9384(91)90532-S Triemstra, 2005, Chemosensory cues are essential for mating-induced dopamine release in MPOA of male Syrian hamsters, Neuropsychopharmacology, 30, 1436, 10.1038/sj.npp.1300685 Truitt, 2002, Identification of a potential ejaculation generator in the spinal cord, Science, 297, 1566, 10.1126/science.1073885 Truitt, 2003, Activation of a subset of lumbar spinothalamic neurons after copulatory behavior in male but not female rats, J. Neurosci., 23, 325, 10.1523/JNEUROSCI.23-01-00325.2003 Vagell, 1997, The role of aromatization in the restoration of male rat reproductive behavior, J. Neuroendocrinol., 9, 415, 10.1046/j.1365-2826.1997.00598.x Valenstein, 1954, Sex drive in genetically heterogeneous and highly inbred strains of male guinea pigs, J. Comp. Physiol. Psychol., 47, 162, 10.1037/h0061296 van Furth, 1994, Endogenous opioids and sexual motivation and performance during the light phase of the diurnal cycle, Brain Res., 636, 175, 10.1016/0006-8993(94)90196-1 Vega Matuszcyk, 1998, The selective serotonin reuptake inhibitor fluoxetine reduces sexual motivation in male rats, Pharmacol. Biochem. Behav., 60, 527, 10.1016/S0091-3057(98)00010-0 Wersinger, 2000, Oestrogen receptor alpha is essential for female-directed chemo-investigatory behaviour but is not required for the pheromone-induced luteinizing hormone surge in male mice, J. Neuroendocrinol., 12, 103, 10.1046/j.1365-2826.2000.00418.x Wersinger, 2000, Dopamine activates masculine sexual behavior independent of the estrogen receptor alpha, J. Neurosci., 20, 4248, 10.1523/JNEUROSCI.20-11-04248.2000 Wersinger, 1997, Masculine sexual behavior is disrupted in male and female mice lacking a functional estrogen receptor alpha gene, Horm. Behav., 32, 176, 10.1006/hbeh.1997.1419 Westberry, 2003, The influence of chemosensory input and gonadotropin releasing hormone on mating behavior circuits in male hamsters, Brain Res., 974, 1, 10.1016/S0006-8993(03)02535-6 Wood, 1996, Estradiol, but not dihydrotestosterone, in the medial amygdala facilitates male hamster sex behavior, Physiol. Behav., 59, 833, 10.1016/0031-9384(95)02204-X Wood, 1995, Integration of chemosensory and hormonal cues is essential for mating in the male Syrian hamster, J. Neurosci., 15, 7261, 10.1523/JNEUROSCI.15-11-07261.1995 Yells, 1992, Lesions of the nucleus paragigantocellularis effects on mating behavior in male rats, Brain Res., 596, 73, 10.1016/0006-8993(92)91534-L Zarrindast, 1994, Morphine inhibits dopaminergic and cholinergic induced ejaculation in rats, Gen. Pharmacol., 25, 803, 10.1016/0306-3623(94)90263-1